molly is joining us in newtown, connecticut. this is all developing but some of the information has changed. what can you tell us? >> reporter: absolutely. first off we have seen some of the state police and police officers moving into the scene here. we may be having that briefing shortly. the information that has changed most significantly, reports from federal authorities that the person that was shot by her son was not, mother that was shot did not work at the school. initial reports that she was teacher in one of classrooms that had been shot up during the massacre. another piece of information is three weapons were found inside of the building instead of two. initially been a report the third weapon had been found in the shooter's car. now, we are getting reports there were three weapons found inside the school and other guns were found back at the mother's house. the guns inside the school that authorities believe were used were registered to the shooter's mother, nancy. when it comes to the shooter himself, federal autho